formbook | ea03c34322299aafb7f2c7b442ff7f4a661ea952bddb76b83a1c274460eb45a5

General

Target

new order.exe
Size

506KB
MD5

42d37691292ac45ed40d57c76b335cd5
SHA1

9b7e5e7d353cab9c42edb33a060f9d91200192f9
SHA256

ea03c34322299aafb7f2c7b442ff7f4a661ea952bddb76b83a1c274460eb45a5
SHA512

8a3f2b7b8b3f6235637a4c8839998fe3cdb27376c086f1ea9a8d4146b020d7426efeb38e68d415686b63f5ff7a27b8ec6a17fc22ef37e79b21271225114b7c27

Score

10^/10

formbook jy0b rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

jy0b

C2

http://www.filecrev.com/jy0b/

Decoy

lamejorimagen.com

mykabukibrush.com

modgon.com

barefoottherapeutics.com

shimpeg.net

trade-sniper.com

chiangkhancityhotel.com

joblessmoni.club

stespritsubways.com

chico-group.com

nni8.xyz

searchtypically.online

jobsyork.com

bestsales-crypto.com

iqmarketing.info

bullcityphotobooths.com

fwssc.icu

1oc87s.icu

usdiesel.xyz

secrets2optimumnutrition.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/880-57-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/880-58-0x000000000041F150-mapping.dmp	formbook
behavioral1/memory/1248-66-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1160 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

new order.exe

pid process

1772 new order.exe

pid	process
1160	cmd.exe

pid	process
1772	new order.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

new order.exenew order.exeraserver.exe

description	pid	process	target process
PID 1772 set thread context of 880	1772	new order.exe	new order.exe
PID 880 set thread context of 1400	880	new order.exe	Explorer.EXE
PID 1248 set thread context of 1400	1248	raserver.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

new order.exeraserver.exe

pid	process
880	new order.exe
880	new order.exe
1248	raserver.exe
1248	raserver.exe
1248	raserver.exe
1248	raserver.exe
1248	raserver.exe
1248	raserver.exe
1248	raserver.exe
1248	raserver.exe
1248	raserver.exe
1248	raserver.exe
1248	raserver.exe
1248	raserver.exe
1248	raserver.exe
1248	raserver.exe
1248	raserver.exe
1248	raserver.exe
1248	raserver.exe
1248	raserver.exe
1248	raserver.exe
1248	raserver.exe
1248	raserver.exe
1248	raserver.exe
1248	raserver.exe
1248	raserver.exe
1248	raserver.exe
1248	raserver.exe
1248	raserver.exe
1248	raserver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1400 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

new order.exeraserver.exe

pid process

880 new order.exe
880 new order.exe
880 new order.exe
1248 raserver.exe
1248 raserver.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

new order.exeraserver.exe

description pid process

Token: SeDebugPrivilege 880 new order.exe
Token: SeDebugPrivilege 1248 raserver.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1400 Explorer.EXE
1400 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1400 Explorer.EXE
1400 Explorer.EXE

pid	process
1400	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	880	new order.exe
Token: SeDebugPrivilege	1248	raserver.exe

pid	process
1400	Explorer.EXE
1400	Explorer.EXE

pid	process
1400	Explorer.EXE
1400	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

new order.exeExplorer.EXEraserver.exe

description	pid	process	target process
PID 1772 wrote to memory of 880	1772	new order.exe	new order.exe
PID 1772 wrote to memory of 880	1772	new order.exe	new order.exe
PID 1772 wrote to memory of 880	1772	new order.exe	new order.exe
PID 1772 wrote to memory of 880	1772	new order.exe	new order.exe
PID 1772 wrote to memory of 880	1772	new order.exe	new order.exe
PID 1772 wrote to memory of 880	1772	new order.exe	new order.exe
PID 1772 wrote to memory of 880	1772	new order.exe	new order.exe
PID 1400 wrote to memory of 1248	1400	Explorer.EXE	raserver.exe
PID 1400 wrote to memory of 1248	1400	Explorer.EXE	raserver.exe
PID 1400 wrote to memory of 1248	1400	Explorer.EXE	raserver.exe
PID 1400 wrote to memory of 1248	1400	Explorer.EXE	raserver.exe
PID 1248 wrote to memory of 1160	1248	raserver.exe	cmd.exe
PID 1248 wrote to memory of 1160	1248	raserver.exe	cmd.exe
PID 1248 wrote to memory of 1160	1248	raserver.exe	cmd.exe
PID 1248 wrote to memory of 1160	1248	raserver.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1400

C:\Users\Admin\AppData\Local\Temp\new order.exe
"C:\Users\Admin\AppData\Local\Temp\new order.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1772

C:\Users\Admin\AppData\Local\Temp\new order.exe
"C:\Users\Admin\AppData\Local\Temp\new order.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:880

C:\Windows\SysWOW64\raserver.exe
"C:\Windows\SysWOW64\raserver.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1248

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\new order.exe"
3⤵
- Deletes itself
PID:1160

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nsyC997.tmp\jagzgkp.dll
MD5
1d837eefac21fec00909dbfb5b56a513

SHA1
40ff5b73d8d69305cb6c1dc4b57f1cd0c7e7b429

SHA256
02311063d33ba8efdde6229dfa0759e6d4ae6daa41bc560ccc5e61a032fe42bf

SHA512
7d0997201bfb60fc6a2b61fb16cfe25d784ec723aa84f4b3c339d40fe887f2668a08525bf81acd992f47b67c2416ecf5331b7a63cfa503b39bae805aab39643b

Download Submit
memory/880-57-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/880-58-0x000000000041F150-mapping.dmp

Download
memory/880-61-0x00000000002C0000-0x00000000002D4000-memory.dmp

Filesize
80KB

Download
memory/880-60-0x0000000000920000-0x0000000000C23000-memory.dmp

Filesize
3.0MB

Download
memory/1160-67-0x0000000000000000-mapping.dmp

Download
memory/1248-66-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1248-63-0x0000000000000000-mapping.dmp

Download
memory/1248-65-0x00000000001F0000-0x000000000020C000-memory.dmp

Filesize
112KB

Download
memory/1248-68-0x0000000001EE0000-0x00000000021E3000-memory.dmp

Filesize
3.0MB

Download
memory/1248-69-0x0000000000480000-0x0000000000513000-memory.dmp

Filesize
588KB

Download
memory/1400-62-0x0000000006170000-0x0000000006247000-memory.dmp

Filesize
860KB

Download
memory/1400-70-0x0000000006CF0000-0x0000000006E0A000-memory.dmp

Filesize
1.1MB

Download
memory/1772-55-0x0000000075321000-0x0000000075323000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads